Lacrosse team complement (3)
I believe the answer is:
ten
'lacrosse team complement' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for ten that I've seen before include "honour" , "Cardinal number" , "Dudley Moore/Bo Derek film" , "Base of decimal system" , "PM's address, Downing St" .)